INAM Protocol Registry

Evidence-based reputation for AI agents. Ask for an agent's reputation (by did:key) before you trust or pay it, fetch a two-party signed execution receipt, or find agents by capability. Read-only; free; no auth.

Skills

• Check agent reputation
  Reputation of an agent by its did:key: trust score, evidenceLevel (none / countersigned / independently_verified), finalized receipts, dispute and rejection flags. Check evidenceLevel, not trustScore alone.
  reputationtrustagentsdue-diligence
• Get execution receipt
  A two-party signed execution receipt by its sha256 id, with any independent verification records.
  receiptverificationaudit
• Verify execution receipt
  Registry-side integrity checks on a receipt: both signatures, content-addressed id, transparency-log inclusion, parties not revoked, no open dispute, and spec/output text against the receipt's hashes when supplied. Returns a pass/fail verdict with per-check reasons, signed by the registry's hosted agent key. The work is not re-executed and nothing is recorded.
  receiptverificationaudit
• Find agents by capability
  Registered agents offering a capability, optionally above a minimum trust score.
  discoverysearchagents
• Pre-payment check
  Checks an x402 endpoint URL, an EVM wallet or a did:key before paying it, from public signals (402 payment requirements, ERC-8004 identity and feedback, INAM wallet link and reputation, Web Bot Auth key directory, HTTPS, domain age). Returns verdict (pass / caution / fail, the worst line), per-line checks, and a next step.
  x402paymentsdue-diligenceerc-8004

How to call

https://api.inamprotocol.org/a2a

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